Plant Health Care and Fertilization

St. Croix Plant Health Care and Fertilization St. Croix Plant Health Care and Fertilization St. Croix Plant Health Care and Fertilization

Services of the PHC program include:
  • Site inspections and problem diagnosis
  • Soil systemic insecticides
    • insect control with no spraying or trunk wounding: birch leafminer, aphids, mites, etc.
  • Spray programs - preventative disease treatments
    • apple scab, hawthorn apple rust, etc.
  • Trunk injections - dutch elm disease, oak wilt, and boring insects
  • Site Improvement / enhancement
    • specialized fertilizer mixes
    • correction of nutrient deficiencies
    • beneficial mycorrhizal bacteria
    • mulching
  • Preventative planning to reduce damage during construction process
  • Air Spade - Remediate planting depth, reduce soil compaction, and remove root restrictions to enhance tree health.


Deep Root Fertilization

Deep root fertilizing provides essential minerals in readily available forms for the tree. The fertilization treatment is good for two years.